Automatic Control Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Automatic Control Systems, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Automatic Control Systems MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Automatic Control Systems mcq questions that explore various aspects of Automatic Control Systems problems. Each MCQ is crafted to challenge your understanding of Automatic Control Systems principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Automatic Control Systems MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Automatic Control Systems. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Automatic Control Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Automatic Control Systems MCQs | Page 27 of 48

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Q261.
An electromechanical device which actuates a train of step angular movements in response to a train of input pulses on one to one basis is

a.

synchro control transformer

b.

LVDT

c.

stepper motor

d.

tacho generator

Discuss
Answer: (c).stepper motor
Q262.
Assertion (A): If the Laplace transform is G(s) = 4/(s²+2s+4), the Laplaces transform of impulse response is given by C(s) = 4/(s²+2s+4)

Reason (R): The Laplace transform for an impulse function is 1.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

R is correct but A is wrong

Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q263.
The polar plot of G(jω) = 1/jω is the negative imaginary axis.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q264.
The number of branches of root locus plot is equal to

a.

the number of roots of characteristic equation

b.

double the number of roots of characteristic equation

c.

the number of roots of characteristic equation minus one

d.

the number of roots of characteristic equation plus one

Discuss
Answer: (a).the number of roots of characteristic equation
Q265.
The action of bellows is similar to that of

a.

mass

b.

viscous friction

c.

spring

d.

none of the above

Discuss
Answer: (c).spring
Q266.
For a second order system Ο‰n is natural frequency, Ο‰d is frequency of damped oscillations and ΞΆ is damping factor. Then

a.

Ο‰d = Ο‰n ΞΎ

b.

Ο‰d = Ο‰n (1 - ΞΎ)²

c.

Ο‰d = Ο‰n (1 - ΞΎ)^0.5

d.

Ο‰d = Ο‰n (1 - ΞΎ²)^0.5

Discuss
Answer: (d).Ο‰d = Ο‰n (1 - ΞΎ²)^0.5
Q267.
In force voltage analogy the quantity analogous to spring constant K is

a.

R

b.

C

c.

L

d.

1/C

Discuss
Answer: (d).1/C
Q268.
The log magnitude curve of factor jω is a straight line having a slope of 20 dB/decade.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q269.
Time rate of change in heat energy is analogous to

a.

voltage

b.

charge

c.

current

d.

voltage gradient

Discuss
Answer: (c).current
Q270.
Assertion (A): In control system velocity error is not an error in velocity but is an error in position due to a ramp input.

Reason (R): For a type of system velocity error is zero.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

R is correct but A is wrong

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
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